[Souji will just

take a seat next to her.

There are a lot of things he could start with. Condolences. Checking to see if she's okay. Those things will follow, but for now, he's very much been jostled into a Captain's state of mind. So instead:]

I'm going to tell everyone my title and faction after execution, and let them know that I plan to switch. We can't continue to do things in this way.